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<!DOCTYPE html>
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   <!DOCTYPE html>
>>>>>>> 1a14a28a0044d272060bc5a987f9062dec1ca0af
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
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    <SCript>
        let arr=['1','2','3']
console.log(arr[2])
arr.push('4')
console.log(arr,'ARRS')
arr.pop()
console.log(arr,'ARR')
arr.shift()
console.log(arr)
let arrs=['1','2','3','4','5']
arrs.splice(2,0,'a','b','c')
console.log(arrs)
arrs.splice(3,2)
console.log(arrs)
arrs.splice(1,2,'e','f')
console.log(arrs)
let a=[1,2,3]
a.reverse()
console.log(a)
let b=['c','a','b']
b.sort()
console.log(b)
let c=[1,2,3]
c.join()
console.log(c.join())
let d=[1,2,3]
d.join()
console.log(d.concat([1,3]))
let e=[1,2,3]
e.toString()
console.log(e.toString())
    </SCript>
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    <script>
        let person=new Object()
            person.name='liming'
            person.age='18'
            person.eyecolor='blue'
            console.log(person)
            let person1={
                'name':'danni',
                'age':'19',
                'eyecolor':'red',
            }
            console.log(person1)
            let person2={
                'name':'zhanni',
                'age':'19',
                'eyecolor':'yellow',
            }
            console.log(person2)
            for(x in person){
                console.log(person[x])
            }
            let num=10
        if(num>20){
            console.log('数字大于20')}
          else{
            console.log('小于20')
          }
         let num1=30
         if(num1<10)
         {
            console.log('数字小于10')
         }
         else if(num1>10 && num1<20){
            console.log('数字大于10小于20')
         }
         else{
           console.log(1)
         }
        
            
        
    </script>
>>>>>>> 1a14a28a0044d272060bc5a987f9062dec1ca0af
</body>
</html>